The ornamental design for a rifle vented upperreceiver, as shown and described.
FIG. 1 is an isometric front right side view of an embodiment of my design for a rifle vented upper receiver;
FIG. 2 is a right side elevational view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a top view thereof;
FIG. 5 is a bottom view thereof;
FIG. 6 is a front elevational view thereof; and,
FIG. 7 is a rear elevational view thereof.
The surface shading is for purposes of illustrating the contour and appearance of the claimed surface upon which it is illustrated, but is not actually seen on the surfaces of the rifle vented upper receiver. The broken lines are used to show unclaimed portions of the invention and form no part of the claimed design.